<template>
  <div class="article-container">
    <el-card class="filter-card">
      <div slot="header" class="clearfix">
        <!--面包屑路径导航-->
        <el-breadcrumb separator-class="el-icon-arrow-right">
          <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
          <el-breadcrumb-item>内容管理</el-breadcrumb-item>
        </el-breadcrumb>
      </div>
      <!--数据筛选表单 -->
      <el-form v-loading="loading" ref="form" :model="form" label-width="40px" size="mini">
        <el-form-item label="状态">
          <el-radio-group v-model="status">
            <el-radio :label="null">全部</el-radio>
            <el-radio :label="0">草稿</el-radio>
            <el-radio :label="1">待审核</el-radio>
            <el-radio :label="2">审核通过</el-radio>
            <el-radio :label="3">审核失败</el-radio>
            <el-radio :label="4">已删除</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="频道">
          <el-select v-model="channelId" placeholder="请选择频道">
            <el-option label="全部" :value="null"></el-option>
            <el-option :label="channel.name" :value="channel.id" v-for="(channel, index) in channels" :key="index"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="日期">
          <el-date-picker
            v-model="rangeDate"
            type="daterange"
            range-separator="至"
            start-placeholder="开始日期"
            end-placeholder="结束日期"
            format="yyyy-MM-dd"
            value-format="yyyy-MM-dd"
          >
          </el-date-picker>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" :disabled="loading" @click="loadArticles(1)">查询</el-button>
        </el-form-item>
      </el-form>
    </el-card>
    <el-card  class="box-card">
      <div slot="header" class="clearfix">
        根据筛选条件共查询到{{totalCount}}条结果
      </div>
      <!--数据列表-->
      <el-table :data="articles" stripe style="width: 100%" class="list-table" size="mini" v-loading="loading">
        <el-table-column prop="date" label="封面">
          <template slot-scope="scope">
            <el-image
              style="width: 80px; height: 80px"
              :src="scope.row.cover.images[0]"
              fit="cover"
              lazy
            >
              <div slot="placeholder" class="image-slot">
                加载中<span class="dot">...</span>
              </div>
            </el-image>
            <!--<img v-if="scope.row.cover.images[0]" :src="scope.row.cover.images[0]" alt="" class="article-cover">
            <img v-else src="./no-cover.png" alt="" class="article-cover">-->
            <!--下面这种情况是在运行期间动态改变处理，而本地图片必须在打包的时候就存在-->
            <!--<img :src="scope.row.cover.images[0] || 'no-cover.png'" alt="" class="article-cover">-->
          </template>
        </el-table-column>
        <el-table-column prop="title" label="标题"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-tag :type="articleStatus[scope.row.status].type">{{ articleStatus[scope.row.status].text }}</el-tag>
            <!--<el-tag v-else-if="scope.row.status === 1">待审核</el-tag>
            <el-tag v-else-if="scope.row.status === 2" type="success">审核通过</el-tag>
            <el-tag v-else-if="scope.row.status === 3" type="danger">审核失败</el-tag>
            <el-tag v-else-if="scope.row.status === 4" type="info">已删除</el-tag>-->
          </template>
        </el-table-column>
        <el-table-column prop="pubdate" label="发布时间"></el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <el-button size="mini" circle icon="el-icon-edit" type="primary"></el-button>
            <el-button size="mini" circle icon="el-icon-delete" type="danger" @click="onDeleteArticle(scope.row.id)"></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!--分页-->
      <el-pagination
        layout="prev, pager, next"
        background
        :total="totalCount"
        @current-change="onCurrentChange"
        :page-size="pageSize"
        :disabled="loading"
        :current-page.sync="page"
      />
    </el-card>
  </div>
</template>

<script>
import { getArticles, getArticlesChannels, deleteArticle } from '@/api/article'

export default {
  name: 'ArticleIndex',
  data () {
    return {
      form: {
        name: '',
        region: '',
        date1: '',
        data2: '',
        type: [],
        resource: ''
      },
      articles: [], // 文章数据
      articleStatus: [
        { status: 0, text: '草稿', type: 'info' },
        { status: 1, text: '待审核', type: '' },
        { status: 2, text: '审核通过', type: 'success' },
        { status: 3, text: '审核失败', type: 'warning' },
        { status: 4, text: '已删除', type: 'danger' }
      ],
      totalCount: 0,
      pageSize: 10, // 每页大小
      status: null, // 查询文章的状态，不传就是全部
      channels: [],
      channelId: null,
      rangeDate: null,
      loading: true,
      page: 1
    }
  },
  created () {
    this.loadChannels()
    this.loadArticles(1)
  },
  methods: {
    loadArticles (page = 1) {
      this.loading = true
      getArticles({
        page,
        per_page: this.pageSize,
        status: this.status,
        channel_id: this.channelId,
        begin_pubdate: this.rangeDate ? this.rangeDate[0] : null,
        end_pubdate: this.rangeDate ? this.rangeDate[1] : null
      }).then(res => {
        console.log('article', res)
        // this.articles = res.data.data.results
        // this.totalCount = res.data.data.total_count
        const { results, total_count: totalCount } = res.data.data
        this.articles = results
        this.totalCount = totalCount
        this.loading = false
      })
    },
    onSubmit () {
      console.log('submit!')
    },
    onCurrentChange (page) {
      // console.log(page)
      this.loadArticles(page)
    },
    loadChannels () {
      getArticlesChannels().then(res => {
        console.log('Channels', res)
        this.channels = res.data.data.channels
      })
    },
    onDeleteArticle (articleId) {
      console.log(articleId)
      console.log(articleId.toString())
      this.$confirm('确认退出吗？', '退出提示', {
        confirmButtonText: '确认',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        deleteArticle(articleId.toString()).then(res => {
          // console.log(res)
          this.loadArticles(this.page)
        })
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        })
      })
    }
  }
}
</script>

<style scoped lang="less">
  .filter-card {
    margin-bottom: 30px;
  }
  .list-table {
    margin-bottom: 20px;
  }
  .article-cover {
    width: 60px;
    background-size: cover;
  }
</style>
